GMRS680
• | 8 GMRS / 14 FRS Channels | • | Battery Level Meter |
• | 38 CTCSS Codes | • | Channel Monitor |
• | Up to 5 Mile Range* | • | Channel Scan |
• | Internal VOX Circuitry | • | Keypad Lock |
•5 Selectable Call Tone Alerts
•Backlit LCD Display
•Optional Headset Accessories
•Headset Jack
•Battery Recharge Circuit
•Optional NiMH Battery Pack and Charger
*Range may vary depending in environmental and/or topographical conditions.
GMRS680 RADIO
1 | Antenna | 11 | Battery Level Meter | ||
2 | PTT | 12 | Receive Indicator | ||
3 | Channel/Scan Up Key | 13 | Scan Indicator | ||
4 | Call Key | 14 | Channel Indicator | ||
5 | Channel/Scan Down Key | 15 | Call Indicator | ||
6 | Sel/ |
| Key | 16 | VOX Indicator |
| |||||
| |||||
7 | Speaker | 17 | Keypad Lock Indicator | ||
8 | Mon Key | 18 | Transmit Indicator | ||
9 | Volume Up Key | 19 | Volume Setting Indicator | ||
10 | Volume Down Key | 20 | CTCSS Indicator | ||
Congratulations on your purchase of the Uniden GMRS680 (General Mobile Radio Service) radio. This product is a lightweight,
Use it at sporting events to stay in contact with family and friends, hiking, skiing, outdoors, or in a neighborhood watch for vital communication. This compact,
OPTIONAL ACCESSORIES
Your package contains the GMRS680 radio, this reference guide, including a product registration card. You may operate the unit using 4 AAA alkaline batteries or the rechargeable NiMH battery pack (not included). The following optional accessories may be purchased from your participating Uniden dealer or
•NiMH Battery Pack - #BP38
•Recharging Cradle - #RC6248
•Dual Recharging Cradle with AC Adapter - #CK6000
FCC GMRS LICENSE
The GMRS680 radio operates on the General Mobile Radio Service (GMRS) frequencies which require a Federal Communication Commission license to operate. For licensing information and application forms, visit the FCC online at: www.fcc.gov/wtb/uls or call the FCC hotline at
INSTALL THE BATTERIES
Your GMRS680 radio uses 4 AAA alkaline batteries or the optional NiMH battery pack (not included).
If alkaline batteries are used, we recommend using high quality alkaline batteries.
To install the 4 AAA alkaline batteries:
1)Make sure your radio is OFF.
2)Remove the battery compartment door by pressing the tab at the bottom of the compartment door allowing the door to be removed.
3)Install 4 AAA alkaline batteries (not included) into the battery compartment. Be certain to follow the + and – symbols in the compartment. Installing the batteries incorrectly will prevent the unit from operating.
4)Replace the battery compartment door.
BATTERY LEVEL AND
LOW BATTERY ALERT
This unit has a battery level meter on the display to indicate the status of the batteries. When the batteries in the unit are low, the battery level meter
icon 
will flash. Replace the alkaline batteries immediately or if you are using the NiMH battery pack, you must recharge the batteries in order to continue using the radio.
Warning! To avoid the risk of personal injury or property damage from fire or electrical shock, only use the Uniden accessories specifically designated for this product.
USING THE RADIO
In order to get the most out of your new radio, read this reference guide completely before attempting to operate the unit.
Turning the Radio On and Adjusting the Volume
1)Press and hold the sel/ 
key to turn the unit ON, and increase the speaker volume by pressing the volume ▲ key. To decrease the volume, press the volume ▼ key.
2)Press and hold the sel/ 
key again to turn the unit OFF.
Adjusting the Sound (Key Beeps)
Your radio emits a beep each time one of the buttons or keys (except for the PTT button and call key) are pressed. To turn this sound OFF, press and hold call while turning ON the radio. Repeat this step to turn the sound ON.
Navigating through the Menu
To access the advanced features of the GMRS680, your radio has a Menu function.
Normal 
CTCSS 
VOX Level 
Call Tone 
Key Lock 
Normal
off, | off, |
1)To enter the Menu, press the sel/ 
key.
2)Additional presses of the sel/ 
key will advance you through the Menu until exiting to "Normal" operating mode.
3)Other methods of exiting the Menu function are:
a.Press and hold the sel/ 
key again.
b.Press PTT, mon, volume ▲/▼, and call.
c.Wait 10 seconds until the unit automatically returns to “Normal” mode.
Choosing a Channel
Your radio has 22 channels and 38 CTCSS codes you can use to talk to others. In order to speak to someone, each of you must be set to the same channel and CTCSS code.
To choose a channel:
With the radio in "Normal" operating mode press the channel/scan ▲ or ▼ key to increase or decrease the channel number displayed.
Choosing a CTCSS Code
Each of the channels
1)Enter the Menu. The CTCSS code on the LCD display will flash.
2)Press the channel/scan ▲ or ▼ key to increase or decrease the code number displayed. You can also select “OFF” at this stage.
3)Exit the Menu to return to “Normal” mode.
Talking on Your Radio
To talk to others using the radio:
1)Press and hold the PTT button and speak in a clear, normal voice about 
icon will appear on the display. To avoid cutting off the first part of your transmission, pause slightly after pressing the PTT button before you start talking.
2)When you are finished speaking, release the PTT button. You can now receive incoming calls. While
receiving, the 
icon will appear on the display.
Voice Operated Transmission
Your GMRS680 radio is equipped with a user selectable Voice Operated Transmitter (VOX) that can be used for automatic voice transmissions. The VOX feature is designed to be used with a headset with a microphone. Transmission is initiated by speaking into the remote microphone instead of pushing the PTT button.
To select the VOX level:
1)Enter the Menu. Advance through the Menu until the vox icon appears on the display. The current level (off,
disables VOX, while levels - | set the |
sensitivity of the VOX circuit. |
|
2)Press either the channel/scan ▲ or ▼ key to the desired VOX sensitivity level. Use level 1 for increased sensitivity to voice in normally quiet environments, and use a higher level to reduce undesired activation in very noisy environments.
3)Exit the Menu.
Transmitting a Call Tone
Your GMRS680 radio is equipped with 5 selectable call tones that will be transmitted when the call key is pressed.
To select a call tone:
1)Enter the Menu. Advance through the Menu until the call icon is shown on the display. The
current call tone number ( 
- 
) will be indicated.
2)Press the channel/scan ▲ or ▼ key to increase or decrease the number to the desired call tone. Each tone will be heard through the speaker.
3)Exit the Menu.
To transmit the selected call tone, press the call key. The selected tone will automatically be transmitted for a fixed length of time.
Channel Scan Feature
Your GMRS680 radio has a channel Scan feature that allows you to easily Scan all 22 channels. When an active channel is detected, the unit will pause on that channel until the channel is clear. Then after a 2 second delay, the unit will continue scanning. Pressing PTT while the Scan is paused on a channel will allow you to transmit on that channel.
To turn ON channel scanning:
Press and hold either the channel/scan ▲ or ▼ key until the scan icon is displayed. The channel number on the display will change as the radio rapidly cycles through the channels.
To turn OFF channel scanning:
Press sel/ 
, call, or PTT.
Keypad Lock
To Lock the keypad:
1)Enter the Menu. Advance through the Menu until
the 
icon appears on the display. The current key Lock status (OFF) blinks on the display.
2)To switch the key Lock mode from OFF to ON, press the channel/scan ▲ key.
3)To confirm the setting, press the sel/ 
key. The radio returns to the "Normal" mode.
Note: If you exit the setting mode before confirming your selection by pressing the sel/ 
key, the key Lock setting will be set to OFF.
To Unlock the keypad:
1)Press and hold the sel/ 
key to turn the unit OFF.
2)Press and hold the sel/ 
key again to turn the unit ON. The keypad is unlocked.
Automatic Power Save Feature
Your GMRS680 radio has a unique circuit designed to dramatically extend the life of the batteries.
If there is no transmission nor an incoming call within 3 seconds, your radio switches to the Power Save mode. The radio is still able to receive transmissions in this mode.
LCD Backlight
The LCD backlight will automatically turn ON when any key (except PTT button) is pressed. The LCD display will illuminate for 10 seconds before turning OFF.
Monitor Mode Feature
Your GMRS680 radio allows you to listen for weak signals on the current channel at the press of
a key.
To turn ON the monitor mode:
•Press mon for brief listening, the 
icon will blink.
•Press and hold mon for 2 seconds for continuous listening. The receiver circuit will stay open, and letting in both the noise & weak signals.
To turn OFF monitor mode:
•Press mon to return to "Normal" mode, and the
icon stops blinking.
